EP0984562A3 - Détection synchrone par interpolation de pilote dans un récepteur de type Rake - Google Patents

Détection synchrone par interpolation de pilote dans un récepteur de type Rake Download PDF

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Publication number
EP0984562A3
EP0984562A3 EP19990117375 EP99117375A EP0984562A3 EP 0984562 A3 EP0984562 A3 EP 0984562A3 EP 19990117375 EP19990117375 EP 19990117375 EP 99117375 A EP99117375 A EP 99117375A EP 0984562 A3 EP0984562 A3 EP 0984562A3
Authority
EP
European Patent Office
Prior art keywords
synchronous detection
information signal
pilot symbols
rake receiver
interpolation synchronous
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19990117375
Other languages
German (de)
English (en)
Other versions
EP0984562A2 (fr
EP0984562B1 (fr
Inventor
Soichi C/O Nec Corporation Tsumura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Publication of EP0984562A2 publication Critical patent/EP0984562A2/fr
Publication of EP0984562A3 publication Critical patent/EP0984562A3/fr
Application granted granted Critical
Publication of EP0984562B1 publication Critical patent/EP0984562B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Mobile Radio Communication Systems (AREA)
EP99117375A 1998-09-03 1999-09-03 Détection synchrone par interpolation de pilote dans un récepteur du type Rake Expired - Lifetime EP0984562B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP24955998A JP3029031B2 (ja) 1998-09-03 1998-09-03 内挿同期検波方法と無線通信システム
JP24955998 1998-09-03

Publications (3)

Publication Number Publication Date
EP0984562A2 EP0984562A2 (fr) 2000-03-08
EP0984562A3 true EP0984562A3 (fr) 2003-05-28
EP0984562B1 EP0984562B1 (fr) 2005-11-23

Family

ID=17194807

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99117375A Expired - Lifetime EP0984562B1 (fr) 1998-09-03 1999-09-03 Détection synchrone par interpolation de pilote dans un récepteur du type Rake

Country Status (5)

Country Link
US (1) US6912259B1 (fr)
EP (1) EP0984562B1 (fr)
JP (1) JP3029031B2 (fr)
KR (1) KR100307004B1 (fr)
DE (1) DE69928477T2 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6594303B1 (en) * 1999-01-11 2003-07-15 Qualcomm Incorporated Coherent demodulator for use in the presence of phase discontinuities
JP3419726B2 (ja) 2000-02-03 2003-06-23 松下電器産業株式会社 メモリ回路および同期検波回路
KR100685960B1 (ko) * 2000-02-03 2007-02-23 엘지전자 주식회사 파일럿 패턴을 이용한 프레임 동기 확인 및 동기 실패검출 방법
EP1320201A1 (fr) * 2000-09-04 2003-06-18 Sanyo Electric Co., Ltd. Systeme de base radio, procede et programme de reduction d'erreurs d'echantillonnage
DE10122689C2 (de) * 2001-05-10 2003-04-30 Siemens Ag Verfahren zur Kanalschätzung eines Mobilfunkkanals und Mobilfunk-Empfangsgerät
JP4448633B2 (ja) * 2001-08-31 2010-04-14 富士通株式会社 移動体通信端末
US7133437B2 (en) * 2002-01-31 2006-11-07 Qualcomm Incorporated Pilot interpolation for a gated pilot with compensation for induced phase changes
JP3939165B2 (ja) * 2002-02-20 2007-07-04 三洋電機株式会社 無線装置、無線通信システム、空間パス制御方法および空間パス制御プログラム
US7903772B2 (en) * 2005-02-04 2011-03-08 Broadcom Corporation Digital demodulator with improved hardware and power efficiency
CN104584440B (zh) * 2012-08-31 2018-02-27 三菱电机株式会社 接收机、发送机以及通信方法
CN109905137B (zh) * 2017-12-11 2020-11-24 博通集成电路（上海）股份有限公司 用于确定采样相位的接收机和确定采样相位的方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991020142A1 (fr) * 1990-06-12 1991-12-26 Motorola, Inc. Technique de combinaison en diversite a rapport maximum
EP0535403A1 (fr) * 1991-10-01 1993-04-07 Nec Corporation Réception de signaux de données numérique TDMA avec compensation de dispertion de canal
US5537419A (en) * 1991-06-27 1996-07-16 Hughes Electronics Receiver sample timing adjustment using channel impulse response
EP0802656A2 (fr) * 1996-04-19 1997-10-22 Wavecom Signal numérique à blocs de référence multiples pour l'estimation de canal, procédés d'estimation de canal et récepteurs correspondants
US5692015A (en) * 1994-06-22 1997-11-25 Ntt Mobile Communications Network, Inc. Coherent detector and a coherent detection method for a digital communication receiver

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5375146A (en) * 1993-05-06 1994-12-20 Comsat Corporation Digital frequency conversion and tuning scheme for microwave radio receivers and transmitters
JP3153869B2 (ja) * 1993-05-11 2001-04-09 株式会社日立国際電気 フェージング歪補償方式及びその回路
CN1059529C (zh) * 1994-06-23 2000-12-13 Ntt移动通信网株式会社 用于接收码分多址信号的方法和装置
JP3243776B2 (ja) * 1995-01-06 2002-01-07 株式会社エヌ・ティ・ティ・ドコモ 周波数ホッピング伝送方法
JP3310160B2 (ja) * 1996-03-29 2002-07-29 松下電器産業株式会社 スペクトラム拡散方式受信装置
JP3103311B2 (ja) * 1996-10-03 2000-10-30 国際電気株式会社 Ｒａｋｅ受信機
JP3311609B2 (ja) * 1996-10-18 2002-08-05 富士通株式会社 移動通信システム
JP3006679B2 (ja) * 1997-01-16 2000-02-07 日本電気株式会社 セルラー移動電話システム
US6351458B2 (en) * 1997-09-22 2002-02-26 Matsushita Electric Industrial Co., Ltd. CDMA cellular wireless communication system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991020142A1 (fr) * 1990-06-12 1991-12-26 Motorola, Inc. Technique de combinaison en diversite a rapport maximum
US5537419A (en) * 1991-06-27 1996-07-16 Hughes Electronics Receiver sample timing adjustment using channel impulse response
EP0535403A1 (fr) * 1991-10-01 1993-04-07 Nec Corporation Réception de signaux de données numérique TDMA avec compensation de dispertion de canal
US5692015A (en) * 1994-06-22 1997-11-25 Ntt Mobile Communications Network, Inc. Coherent detector and a coherent detection method for a digital communication receiver
EP0802656A2 (fr) * 1996-04-19 1997-10-22 Wavecom Signal numérique à blocs de référence multiples pour l'estimation de canal, procédés d'estimation de canal et récepteurs correspondants

Also Published As

Publication number Publication date
EP0984562A2 (fr) 2000-03-08
JP3029031B2 (ja) 2000-04-04
US6912259B1 (en) 2005-06-28
DE69928477T2 (de) 2006-08-17
EP0984562B1 (fr) 2005-11-23
KR20000028638A (ko) 2000-05-25
DE69928477D1 (de) 2005-12-29
KR100307004B1 (ko) 2001-11-05
JP2000078107A (ja) 2000-03-14

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